Bidirectional propagation of Action potentials
... different functions to make the nervous system work. We can classify neurons in three functional categories: sensory neurons, motor neurons and interneurons. While sensory neurons convey signals from the body’s periphery to the nervous system, motor neurons communicate commands and decisions form th ...
... different functions to make the nervous system work. We can classify neurons in three functional categories: sensory neurons, motor neurons and interneurons. While sensory neurons convey signals from the body’s periphery to the nervous system, motor neurons communicate commands and decisions form th ...
plexus injury after spinal cord implantation of avulsed ventral roots
... outcome of these injuries." In attempts to find ways to manage the motor deficits following complex nerve root injuries, the outcome of experimental studies of ventral root avulsion and reimplantation in the spinal cord were encouraging.156 In rats and cats motor neurons in the lumbar spinal cord re ...
... outcome of these injuries." In attempts to find ways to manage the motor deficits following complex nerve root injuries, the outcome of experimental studies of ventral root avulsion and reimplantation in the spinal cord were encouraging.156 In rats and cats motor neurons in the lumbar spinal cord re ...
Simulations of the Role of the Muscarinic-Activated Calcium- I in Entorhinal Neuronal
... drites lumped together. The addition of the separate initial segment compartment differs from the pyramidal cell. The lengths and cross sections of the three principal dendrite compartments were adjusted to give the dendrite a length constant of 2 (sealed-end condition). The compartment profiles are ...
... drites lumped together. The addition of the separate initial segment compartment differs from the pyramidal cell. The lengths and cross sections of the three principal dendrite compartments were adjusted to give the dendrite a length constant of 2 (sealed-end condition). The compartment profiles are ...
Neurologic System The nervous system Central and peripheral
... Upper motor neurons Nerve cell bodies for the motor pathways that all originate and terminate within the central nervous system Comprise descending pathways from brain to spinal cord Primary role is influencing, directing, and modifying spinal reflex arcs and circuits Can affect movement only throug ...
... Upper motor neurons Nerve cell bodies for the motor pathways that all originate and terminate within the central nervous system Comprise descending pathways from brain to spinal cord Primary role is influencing, directing, and modifying spinal reflex arcs and circuits Can affect movement only throug ...
Chapter 15 Viral Vector-Based Techniques for Optogenetic
... are also likely to influence the number of genome copies in transduced cells, leading to lower expression levels of the transgene in individual cells within the region [18]. On par with AAV2 transduction, LV transduction is more spatially restricted in vivo and can thus be used to target smaller stru ...
... are also likely to influence the number of genome copies in transduced cells, leading to lower expression levels of the transgene in individual cells within the region [18]. On par with AAV2 transduction, LV transduction is more spatially restricted in vivo and can thus be used to target smaller stru ...
Production of nerve growth factor by
... embryonic hippocampal neurons. Hippocampal astrocytes incubated with Ab up-regulated NGF expression and release to the culture medium. Ab-stimulated astrocytes increased tau phosphorylation and reduced the survival of cocultured hippocampal neurons. Neuronal death and tau phosphorylation were reprod ...
... embryonic hippocampal neurons. Hippocampal astrocytes incubated with Ab up-regulated NGF expression and release to the culture medium. Ab-stimulated astrocytes increased tau phosphorylation and reduced the survival of cocultured hippocampal neurons. Neuronal death and tau phosphorylation were reprod ...
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... The use of an in vitro test bed for exploring neuronal population activation offers significant advantages in characterizing stimulus-evoked effects. One highlight is the ease of access to a homogenous population of neurons that can be grown directly atop a micro electrode array. Neurons can be stim ...
... The use of an in vitro test bed for exploring neuronal population activation offers significant advantages in characterizing stimulus-evoked effects. One highlight is the ease of access to a homogenous population of neurons that can be grown directly atop a micro electrode array. Neurons can be stim ...
Identified nerve cells and insect behavior
... Studies of insect identified neurons over the past 25 years have provided some of the very best data on sensorimotor integration; tracing information flow from sensory to motor networks. General principles have emerged that have increased the sophistication with which we now understand both sensory ...
... Studies of insect identified neurons over the past 25 years have provided some of the very best data on sensorimotor integration; tracing information flow from sensory to motor networks. General principles have emerged that have increased the sophistication with which we now understand both sensory ...
Neuroscience: the Science of the Brain
... Inside our heads, weighing about 1.5 kg, is an astonishing living organ consisting of billions of tiny cells. It enables us to sense the world around us, to think and to talk. The human brain is the most complex organ of the body, and arguably the most complex thing on earth. This booklet is an intr ...
... Inside our heads, weighing about 1.5 kg, is an astonishing living organ consisting of billions of tiny cells. It enables us to sense the world around us, to think and to talk. The human brain is the most complex organ of the body, and arguably the most complex thing on earth. This booklet is an intr ...
How Inhibition Shapes Cortical Activity
... Cortical processing reflects the interplay of synaptic excitation and synaptic inhibition. Rapidly accumulating evidence is highlighting the crucial role of inhibition in shaping spontaneous and sensory-evoked cortical activity and thus underscores how a better knowledge of inhibitory circuits is ne ...
... Cortical processing reflects the interplay of synaptic excitation and synaptic inhibition. Rapidly accumulating evidence is highlighting the crucial role of inhibition in shaping spontaneous and sensory-evoked cortical activity and thus underscores how a better knowledge of inhibitory circuits is ne ...
INTERNEURONS OF THE NEOCORTICAL INHIBITORY SYSTEM
... cells). Some of these interneurons have been anatomically identified as MCs and DBCs. Regular-spiking non-pyramidal (RSNP) cells discharge in a manner that resembles regular-spiking pyramidal cells11,75,76. These cells have been recorded in layers II/III and V, and some have been identified as MCs, ...
... cells). Some of these interneurons have been anatomically identified as MCs and DBCs. Regular-spiking non-pyramidal (RSNP) cells discharge in a manner that resembles regular-spiking pyramidal cells11,75,76. These cells have been recorded in layers II/III and V, and some have been identified as MCs, ...
Axo-axonic synapses formed by somatostatin
... In cerebral cortex of rat and monkey, the neuropeptide somatostatin (SOM) marks a population of nonpyramidal cells (McDonald et al. [1982] J. Neurocytol. 11:809 – 824; Hendry et al. [1984] J. Neurosci. 4:2497:2517; Laemle and Feldman [1985] J. Comp. Neurol. 233:452– 462; Meineke and Peters [1986] J. ...
... In cerebral cortex of rat and monkey, the neuropeptide somatostatin (SOM) marks a population of nonpyramidal cells (McDonald et al. [1982] J. Neurocytol. 11:809 – 824; Hendry et al. [1984] J. Neurosci. 4:2497:2517; Laemle and Feldman [1985] J. Comp. Neurol. 233:452– 462; Meineke and Peters [1986] J. ...
Temporal Sequence Detection with Spiking Neurons: Towards
... active dendrites and dynamic synapses in an integrated model. For a long time, dendrites have been thought to be the structures where complex neuronal computation takes place, but only recently have we begun to understand how they operate. The dendrites do not simply collect and pass synaptic inputs ...
... active dendrites and dynamic synapses in an integrated model. For a long time, dendrites have been thought to be the structures where complex neuronal computation takes place, but only recently have we begun to understand how they operate. The dendrites do not simply collect and pass synaptic inputs ...
Distinct Functions of 3 and V Integrin Receptors
... in these assays caused neurons not only to stop their migration on radial glial strands but also to attach to each other rather than to their radial glial guides (Figures 5G and 5H). No such switch from gliophilic to neurophilic adhesive preference was noticed under control conditions. Taken togethe ...
... in these assays caused neurons not only to stop their migration on radial glial strands but also to attach to each other rather than to their radial glial guides (Figures 5G and 5H). No such switch from gliophilic to neurophilic adhesive preference was noticed under control conditions. Taken togethe ...
Topography of Visual Cortex Connections with Frontal Eye Field in
... for object vision, and the other running dorsally into parietal cortex that is responsible for spatial vision. How information from these two streams is combined for perception and action is not understood. Visually guided eye movements require information about both feature identity and location, s ...
... for object vision, and the other running dorsally into parietal cortex that is responsible for spatial vision. How information from these two streams is combined for perception and action is not understood. Visually guided eye movements require information about both feature identity and location, s ...
Horizontal Synaptic Connections in Monkey Prefrontal Cortex: An In
... amplitudes that were similar or even larger than short-distance EPSCs, suggesting that excitatory input provided by the former was relatively robust. For most neurons (87.5%) in which a full complement of monosynaptic EPSCs was evoked by multisite stimulation, the EPSC amplitude as a function of sti ...
... amplitudes that were similar or even larger than short-distance EPSCs, suggesting that excitatory input provided by the former was relatively robust. For most neurons (87.5%) in which a full complement of monosynaptic EPSCs was evoked by multisite stimulation, the EPSC amplitude as a function of sti ...
Encoding of target direction and speed during visual instruction and
... visual pursuit-tracking of the target with the hand (track). A total of 240 neurons was recorded from PMd and MI in two Macaca mulatta monkeys. Two classes of regression analyses were used to relate neuronal ®ring during the cue and track periods to direction and speed. First, the average ®ring from ...
... visual pursuit-tracking of the target with the hand (track). A total of 240 neurons was recorded from PMd and MI in two Macaca mulatta monkeys. Two classes of regression analyses were used to relate neuronal ®ring during the cue and track periods to direction and speed. First, the average ®ring from ...
Integrative neurobiology of energy homeostasis
... inactivation or selective expression of the insulin receptor in defined tissues and cell types have lead to a better understanding of the integration between peripheral and central insulin action. However, as exemplified by the studies of conventional NPY and AgRP-knockout mice, interpretation of resu ...
... inactivation or selective expression of the insulin receptor in defined tissues and cell types have lead to a better understanding of the integration between peripheral and central insulin action. However, as exemplified by the studies of conventional NPY and AgRP-knockout mice, interpretation of resu ...
This article was originally published in the
... finding is also consistent with reports that electrical stimulation of cingulate cortex during surgical procedures can elicit uncontrolled hand movements. Together, these results demonstrate that motor representations within the cingulate motor areas are effector specific. One important aspect of mo ...
... finding is also consistent with reports that electrical stimulation of cingulate cortex during surgical procedures can elicit uncontrolled hand movements. Together, these results demonstrate that motor representations within the cingulate motor areas are effector specific. One important aspect of mo ...
May 2015
... haven’t heard from your local representative and would like to then please see the ASiT website for contact details of how to contact them. ...
... haven’t heard from your local representative and would like to then please see the ASiT website for contact details of how to contact them. ...
Emergency Management of Spinal Cord Lesions
... ascending tract consisting of small neurons located diffusely throughout the white matter of the cord. This area is usually the last to be affected in spinal cord compression. To test for deep pain, the clinician pinches the animal’s toes firmly or scrapes the periosteum of the toe with a sterile ne ...
... ascending tract consisting of small neurons located diffusely throughout the white matter of the cord. This area is usually the last to be affected in spinal cord compression. To test for deep pain, the clinician pinches the animal’s toes firmly or scrapes the periosteum of the toe with a sterile ne ...
NETMORPH: A Framework for the Stochastic
... Sporns et al. 2004) that emerge during development will depend on the specific characteristics of axonal and dendritic arbors, such as their length, number of segments, branching structure and coverage of space. In general, however, it is not well understood how these details of neuronal morphology ...
... Sporns et al. 2004) that emerge during development will depend on the specific characteristics of axonal and dendritic arbors, such as their length, number of segments, branching structure and coverage of space. In general, however, it is not well understood how these details of neuronal morphology ...
NIH Public Access
... (Griffin, 1986; Jones and Holdereid, 2007; Kalko and Schnitzler, 1993; Schnitzler and Kalko, 1998; Simmons et al., 1979; Surlykke and Moss, 2000). These active adjustments in the sonar signal that occur as the bat closes in on its prey create an optimal signal for localizing the position of the prey ...
... (Griffin, 1986; Jones and Holdereid, 2007; Kalko and Schnitzler, 1993; Schnitzler and Kalko, 1998; Simmons et al., 1979; Surlykke and Moss, 2000). These active adjustments in the sonar signal that occur as the bat closes in on its prey create an optimal signal for localizing the position of the prey ...